News tagged with natural selection theory

Long-tailed tits help each other out

Long-tailed tits which lose their eggs or young may help to feed neighbours' chicks, researchers have found. But the degree to which they'll co-operate varies from year to year.

Mar 21, 2013
not rated yet 0 | with audio podcast

Wallace's century-old map of natural world updated

Until today, Alfred Russell Wallace's century old map from 1876 has been the backbone for our understanding of global biodiversity. Thanks to advances in modern technology and data on more than 20,000 species, ...

Dec 20, 2012
4.3 / 5 (6) 0 | with audio podcast

Evolution of new genes captured

(Phys.org)—Like job-seekers searching for a new position, living things sometimes have to pick up a new skill if they are going to succeed. Researchers from the University of California, Davis, and Uppsala University, Sweden, ...

Oct 22, 2012
5 / 5 (5) 3 | with audio podcast

Mystery of the flatfish head solved

Those delicious flatfishes, like halibut and sole, are also evolutionary puzzles. Their profoundly asymmetrical heads have one of the most unusual body plans among all backboned animals (vertebrates) but the ...

Jun 25, 2012
4.5 / 5 (17) 65 | with audio podcast

Genetic similarity promotes cooperation

In a dog-eat-dog world of ruthless competition and 'survival of the fittest,' new research from the University of Leicester reveals that individuals are genetically programmed to work together and cooperate ...

Apr 18, 2012
4.8 / 5 (5) 1 | with audio podcast

Article Traces History of Darwinian Medicine

(PhysOrg.com) -- Despite being a founding principle of modern biology for 150 years, evolutionary theory has played a limited role in the field of medicine. Only in the last 20 years has Darwinian medicine emerged as a discipline ...

Dec 10, 2009
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